# RadioactivityCounter vs XiLiHaLa

The clearest difference is price: XiLiHaLa at Free against RadioactivityCounter's $4.99. XiLiHaLa also leads on update cadence (monthly vs every 15 months). RadioactivityCounter's advantage is chart position (#184 vs unranked) and iOS requirement (8.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

XiLiHaLa is free to download; RadioactivityCounter costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RadioactivityCounter ships an update every 15 months, XiLiHaLa monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | RadioactivityCounter | XiLiHaLa |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/radioactivitycounter/id464004677/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Paid | — |
| Best chart rank | **#184** | — |
| Size | 11 MB | 27 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dipl.-Ing. Rolf-Dieter Klein](https://appshunter.io/developer/309148367) | [Shenzhen xipiwuba intelligent technology co., LTD.](https://appshunter.io/developer/1106404587) |

## What reviewers say

### RadioactivityCounter

[App page](https://appshunter.io/ios/app/radioactivitycounter/id464004677)

**Currently charting:** #184 Top Paid · Utilities (US App Store)

Transform your phone into a functional radioactivity counter. Measure gamma and some beta radiation using your device's camera sensor after calibration. Useful for personal use and experimentation with radiation sources.

**Highlights:** Real radioactivity counter functionality, Converts phone into Geiger Müller Counter, Measures gamma and some beta radiation, Requires calibration for accuracy, Expert setup for precise measurements, Supports various iPhone and iPad models

**Features:** macOS Compatibility

**In-app purchases:** none


### XiLiHaLa

[App page](https://appshunter.io/ios/app/xilihala/id1620282083)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RadioactivityCounter free?

RadioactivityCounter costs $4.99, with no in-app purchases.

### Is XiLiHaLa free?

XiLiHaLa is free to download, with no in-app purchases.

### Do RadioactivityCounter or XiLiHaLa have ads?

Neither RadioactivityCounter nor XiLiHaLa shows ads.

### Which is updated more often, RadioactivityCounter or XiLiHaLa?

RadioactivityCounter ships an update every 15 months, and XiLiHaLa monthly. Most recently, RadioactivityCounter was updated on November 6, 2026 and XiLiHaLa on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*